Adrian nodded, "I always liked that about the library at Hogwarts actually, books going back over a thousand years."
He told her about his father's collection and the family journals, too. The Puceys had been working in potions as long back as... Well, probably as long as there had been Puceys.
He sighed and laughed at himself, "Sorry, I'm boring you to tears aren't I?" He shook his head and asked, "Wait, sorry, why did you want to stop by? Besides to hear me go on and on and ancient history, that is." It had just occurred to him that he had no idea why she'd come after her dinner.